ProtectedSubmarines $2.2bn contract for Collins service By ANI - August 3, 2024 0 426 Collins Class Submarines, HMAS Collins, HMAS Farncomb, HMAS Dechaineux and HMAS Sheean in formation while transiting through Cockburn Sound, Western Australia. The Australian government signed a $2.2 billion four-year contract with national submarine builder ASC last week to keep Canberra’s existing Collins-class submarines in service through the 2030s. Please Login to view this content. (Not a member? Join Today!)